(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

DISPOSITIVO PARA AUMENTAR A EFICIÊNCIA DOS MOTORES A ÁLCOOL

IndeferidaInvention Patent

Application data

Number

PI8202551

Type

Invention Patent

Filing

05/04/1982

Publication

12/13/1983

Progress at the INPI

Under appeal
  1. Filing05/04/82
  2. Publication12/13/83
  3. Examination02/14/84
  4. Refused08/19/86
  5. Grant
  6. In force

The application was refused by the INPI on 08/19/1986. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/19/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

SP, BR

Inventors

A. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

08/19/1986

RPI 826

Notificação para pagamento de retribuição

#13.1

05/07/1985

RPI 759

Conhecimento de parecer técnico

#7.1

08/14/1984

RPI 721

Solicitação de exame técnico

#4.1

02/14/1984

RPI 695

Publicação do pedido de patente

#3.1

12/13/1983

RPI 686

Pedido de patente depositado

#2.1

06/22/1982

RPI 609

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.